You adjust the frequency of the rf oscillator on the nmr electronics until there is negligible beating between the oscillator and the spin precessions, yielding equal frequencies of f= 15.30 mhz. the static magnetic field from the rare-earth magnet is:

Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:

The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?

Aipal measures a circuit at 1.2 a and 24 . using ohm’s law, what can he calculate for the circuit?